Description Pro-Link 3/16″ Headed Pins Hardened Steel 4″ Hardened Steel Pins for various applications.  High Quality Precision Machined Headed Pin.  Long Length! Can be used as Steering Pin, Axle, Pin Mount Etc… 3/16″ Shaft Overall Length 101mm (4″) Head Dimensions 3mm x 14mm Diameter 2 Per Pack